function initAccordionMenu() {
	$('.navigation-accordion ul').hide();
	$('.navigation-accordion ul.open').show();
	$('.navigation-accordion li a').click(
		function() {
			var checkElement = $(this).next();
			
			if((checkElement.is('ul')) && (checkElement.is(':visible'))) {
				$('.navigation-accordion ul:visible').slideUp('normal');
			}
			
			if((checkElement.is('ul')) && (!checkElement.is(':visible'))) {
				$('.navigation-accordion ul:visible').slideUp('normal');
				checkElement.slideDown('normal');
			}
		}
	);
}

$(document).ready(function() {
	$('.navigation-accordion ul').hide();
	$('.navigation-accordion ul.open').show();
	initAccordionMenu();
});